Home / 121,206.40-181,561.74-98,796.94

Finding the Fourth Proportional to 121,206.40, 181,561.74 and 98,796.94

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Solution

The fourth proportional to 121,206.40, 181,561.74 and 98,796.94 is: 147,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,206.40 : 181,561.74 = 98,796.94 : x
  2. Step 2: Convert to fraction form
    121,206.40/181,561.74 = 98,796.94/x
  3. Step 3: Cross multiply
    121,206.40x = 181,561.74 × 98,796.94
  4. Step 4: Simplify right side
    121,206.40x = 17,937,743,508.68
  5. Step 5: Solve for x
    x = 17,937,743,508.68/121,206.40
  6. Step 6: Final answer
    x = 147,993.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.